segments of spinal cord [C1–Co]

Definition: one of 31 portions of the spinal cord, each of which gives rise to the anterior and posterior roots that combine to form a single pair of spinal nerves. These are the cervical spinal cord segments [C1–C8]; the thoracic spinal cord segments [T1–T12]; the lumbar spinal cord segments [L1–L5]; the sacral spinal cord segments [S1–S5], and the coccygeal spinal cord segment [Co].

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